Improving Grammatical Error Correction via Pre-Training a Copy-Augmented Architecture with Unlabeled Data Wei Zhao author Liang Wang author Kewei Shen author Ruoyu Jia author Jingming Liu author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication zhao-etal-2019-improving 10.18653/v1/N19-1014 https://aclanthology.org/N19-1014/ 2019-06 156 165